CN210154203U - Compression shell and dewatering equipment - Google Patents

Abstract

The utility model relates to a compression casing and dewatering equipment, compression casing are including dehydration pipe, bushing pipe and shell, bushing pipe and dehydration pipe all set up in the shell, just the dehydration pipe with leave water space between the shell, a plurality of first dehydration holes have been seted up on the dehydration pipe, a plurality of second dehydration holes have been seted up on the bushing pipe, the bushing pipe with it forms the dehydration district to dewater union coupling. Compare traditional split type compression casing, left out the changeover portion that originally was used for connecting compression section and short tube section, and set up the second dehydration hole on the bushing pipe, make the region at bushing pipe place also have the dehydration function, improve equipment dehydration effect to can effectively reduce the warp the wooden plug water content after the compression casing dehydration reduces the energy resource consumption of follow-up drying process.

Description

Compression shell and dewatering equipment

Technical Field

The utility model relates to a timber extrusion dehydration technique, in particular to compression casing and dewatering equipment.

Background

The compression shell is an important component of the cork screw compression section, is matched with the screw shaft for use, and mainly has the main function that when wood chips are transported by the cork screw, the wood chips form continuous corks under the combined action of the screw shaft and the compression shell and are sent to the next procedure. Meanwhile, a large amount of free water in the wood chips is extruded out, energy is saved for the subsequent drying process, the dehydration effect of the traditional compression shell is not ideal, and the dehydrated wood plug has high water content, so that the energy consumption of the subsequent drying process is high.

SUMMERY OF THE UTILITY MODEL

Based on this, provide a compression casing and dewatering equipment, can improve the dehydration effect to practice thrift the energy resource consumption of follow-up technology.

The technical scheme is as follows:

the utility model provides a compression casing, includes dehydration pipe, bushing pipe and shell, bushing pipe and dehydration pipe all set up in the shell, just dehydration pipe with leave water passing space between the shell, the last a plurality of first dehydration holes of having seted up of dehydration pipe, a plurality of second dehydration holes have been seted up on the bushing pipe, the bushing pipe with dehydration union coupling forms the dehydration zone.

Above-mentioned compression casing, through setting up bushing pipe and the dehydration pipe that directly is connected, form the dehydration district in the shell, compare traditional split type compression casing, the changeover portion of former being used for connecting compression section and stub section has been left out, and set up the second dehydration hole on the bushing pipe, the region that makes the bushing pipe place also has the dehydration function, the function of the stub section of traditional split type compression casing has been increased, through global design, split type compression casing before fuses together, make the stub section also have the dehydration function the same with the compression section, improve equipment dehydration effect, thereby can effectively reduce the warp wooden plug water content after the compression casing dehydration, reduce the energy resource consumption of follow-up drying process.

In one embodiment, the dewatering pipe is sequentially divided into a first pipe section and a second pipe section along the axial direction, the inner diameter of the second pipe section is larger than that of the first pipe section, and the liner pipe is correspondingly arranged in the second pipe section and connected with the second pipe section.

In one embodiment, the outer wall of the liner tube is provided with a bump, and the inner wall of the second tube section is correspondingly provided with a groove; or the outer wall of the liner tube is provided with a groove, and the inner wall of the second tube section is correspondingly provided with a lug; the lug is embedded in the groove.

In one embodiment, the compression housing further comprises a positioning element, the liner tube comprises two butted branch liner tubes, and the outer walls of the branch liner tubes are provided with first key slots arranged along the axial direction; the dehydration pipe includes two branch dehydration pipes that dock mutually, the inner wall that corresponds the second pipeline section on the branch dehydration pipe is equipped with the second keyway of arranging along axial direction, divide lining pipe and corresponding divide dehydration union coupling just first keyway with the butt joint of second keyway forms the constant head tank, the setting element is installed in the constant head tank.

In one embodiment, the compression casing further comprises a first mounting member connected to one end of the casing and the dewatering pipe and a second mounting member connected to the other end of the casing and the dewatering pipe; the lower part of the shell is provided with a water outlet.

In one embodiment, one end of the liner pipe abuts against the end of the first pipe section, the other end of the liner pipe abuts against the second mounting piece, a sealing ring is arranged between the liner pipe and the second mounting piece, and the liner pipe is detachably connected with the second pipe section.

In one embodiment, flanges are arranged at two ends of the dewatering pipe, mounting holes are formed in the flanges, and the flanges penetrate through the mounting holes through fasteners to be locked on the first mounting part or the second mounting part.

In one embodiment, the first dewatering holes have a larger pore size than the second dewatering holes.

In one embodiment, the compression shell further comprises a plurality of limiting ribs, the limiting ribs extend along the axial direction of the dewatering pipe and are fixed on the inner wall of the dewatering pipe, and the limiting ribs are arranged at intervals along the circumferential direction of the dewatering pipe.

A dewatering device comprises a screw shaft and the compression shell, wherein the screw shaft is arranged in the dewatering area.

When the dehydration equipment is used, wood chips enter the dehydration pipe, most of moisture in the wood chips is extruded through the matching of the screw shaft and the dehydration pipe, the dehydrated wood chips are gradually pushed to the liner pipe along with the rotation of the screw shaft, the screw shaft is matched with the liner pipe to further dehydrate the wood chips, the wood chips are dehydrated more thoroughly, the compression shell forms a dehydration area in the shell through the liner pipe and the dehydration pipe which are directly connected, compared with the traditional split type compression shell, the transition section originally used for connecting the compression section and the short pipe section is omitted, and the liner pipe is provided with a second dehydration hole, so that the area where the liner pipe is positioned also has the dehydration function, the function of the short pipe section of the traditional split type compression shell is increased, the former split type compression shell is integrated through the integral design, and the short pipe section also has the same dehydration function as the compression section, the dehydration effect of the equipment is improved, so that the water content of the wooden plug dehydrated by the compression shell can be effectively reduced, and the energy consumption of the subsequent drying process is reduced.

Drawings

Fig. 1 is a schematic cross-sectional view of a compression casing according to an embodiment of the present invention;

FIG. 2 is an enlarged schematic view at A in FIG. 1;

fig. 3 is a schematic front view of a compression casing according to an embodiment of the present invention;

fig. 4 is a schematic cross-sectional view taken along a-a in fig. 3.

Description of reference numerals:

01. dewatering zone, 10, dewatering pipe, 101, first dewatering hole, 110, first pipe section, 120, second pipe section, 130, flange, 20, liner pipe, 201, second dewatering hole, 210, lug, 30, shell, 301, outlet, 40, positioning piece, 50, second installation piece, 60, sealing ring, 70, fastener, 80, spacing muscle.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

In the present invention, the terms "first" and "second" do not denote any particular quantity or order, but are merely used to distinguish names.

Referring to fig. 1 and 2, an embodiment of the present application provides a compression casing, including a dewatering pipe 10, a liner pipe 20, and an outer shell 30, the liner pipe 20 and the dewatering pipe 10 are both disposed in the outer shell 30, a water passing space is left between the dewatering pipe 10 and the outer shell 30, a plurality of first dewatering holes 101 are disposed on the dewatering pipe 10, a plurality of second dewatering holes 201 are disposed on the liner pipe 20, and the liner pipe 20 and the dewatering pipe 10 are connected to form a dewatering area 01.

The compression casing, through setting up liner pipe 20 and the dehydration pipe 10 that directly is connected, form dehydration zone 01 in shell 30, compare traditional split type compression casing, the changeover portion of former being used for connecting compression section and stub pipe section has been omitted, and set up second dehydration hole 201 on liner pipe 20, the region that makes liner pipe 20 place also has dehydration function, the function of the stub pipe section of traditional split type compression casing has been increased, through the global design, split type compression casing before fuses together, make the stub pipe section also have the dehydration function the same with the compression section, improve equipment dehydration effect, thereby can effectively reduce the warp the wooden plug water content after the compression casing dehydration, reduce the energy resource consumption of follow-up drying process. In the process of extrusion dehydration, the inner walls of the liner tube 20 and the dehydration tube 10 are matched with the screw shaft to extrude the wood chips, the wood chips which are continuously plugged in axially extrude the wood chips which are plugged in front, the longitudinal and axial force water squeezing functions of the screw extrusion are fully exerted, and the dehydration effect is improved.

Referring to fig. 1 and 4, a dewatering zone 01 is formed by connecting a front section where a dewatering pipe 10 is located and a rear section where a liner pipe 20 is located, and wood chips enter the dewatering zone 01 through a feeding port formed in the dewatering pipe 10. In one embodiment, the aperture of the first dewatering hole 101 is larger than the aperture of the second dewatering hole 201. The anterior segment of dehydration zone 01 is main dehydration zone 01, and the dehydration is more this moment, sets up the great first dehydration hole 101 of aperture and is convenient for the moisture to flow out, and when the wood chip got into the back end at bushing pipe 20 place, the water yield was less, adopts the less second dehydration hole 201 drainage in aperture, and the region that bushing pipe 20 place receives pressure great, sets up the less second dehydration hole 201 in aperture, ensures that the intensity of bushing pipe 20 is enough big.

Referring to fig. 1 and 4, in one embodiment, the dewatering tube 10 is sequentially divided into a first tube section 110 and a second tube section 120 along an axial direction, an inner diameter of the second tube section 120 is larger than that of the first tube section 110, and the liner tube 20 is correspondingly disposed in the second tube section 120 and connected to the second tube section 120. The first pipe section 110 and the second pipe section 120 are of an integral structure, the liner pipe 20 is directly arranged on the inner side of the second pipe section 120 and is directly connected with the dehydration pipe 10 to form a whole, wood chips are dehydrated through the first pipe section 110 and then directly enter the liner pipe 20 to be dehydrated again, the integral structure is more compact, the second pipe section 120 is sleeved outside the liner pipe 20, and stress is more balanced in the dehydration process of the liner pipe 20.

Referring to fig. 1, 2 and 4, further, a bump 210 is disposed on an outer wall of the liner tube 20, and a groove is correspondingly disposed on an inner wall of the second tube segment 120; the protrusion 210 is embedded in the groove. Through the matching of the projection 210 and the groove, the liner tube 20 and the second tube section 120 can be quickly positioned and installed, and the freedom of movement of the liner tube 20 in the axial direction is limited. The liner tube 20 can be in a constant position, which ensures that the second dewatering holes 201 can be connected with the first dewatering holes 101 on the second pipe section 120, so that water can smoothly enter the water passing space. In other embodiments, a groove may be formed on the outer wall of the liner tube 20, and a protrusion 210 is correspondingly formed on the inner wall of the second tube segment 120, and the protrusion 210 is embedded in the groove.

Further, referring to fig. 1 and 4, the liner 20 is removably connected to the second tubular section 120. Specifically, liner 20 is locked to second section 120 by bolts, and liner 20 is at the rear end of dehydration, belongs to the wearing parts, through the mode of can dismantling the connection, is convenient for change liner 20.

Referring to fig. 1, in one embodiment, the compression casing further comprises a retainer 40, and the liner 20 comprises two butted-up branch liners, and the outer walls of the branch liners are provided with first keyways arranged along the axial direction; the dehydration tube 10 comprises two butt joint dehydration tubes, a second key groove arranged along the axial direction is formed in the inner wall of the corresponding second tube section 120 of each dehydration tube, the lining tube is connected with the corresponding dehydration tube, the first key groove is in butt joint with the second key groove to form a positioning groove, and the positioning element 40 is installed in the positioning groove. The bushing pipe is connected by the branch bushing pipe of two relative settings and is formed, and dehydration pipe 10 is formed by the branch dehydration union coupling of two relative settings, and two branch bushing pipes set up with two branch dehydration pipe one-to-ones, through setting up first keyway, second keyway on corresponding branch bushing pipe and branch water holding pipe, the butt joint forms the constant head tank, and sets up setting element 40 in the constant head tank, makes to correspond to divide the bushing pipe and divide the water holding pipe to be further fixed a position, and the restriction divides the degree of freedom of bushing pipe rotation direction. The liner pipe is further limited to be in a constant position, and the second dehydration holes 201 can be connected with the first dehydration holes 101 on the second pipe section 120, so that water can smoothly enter the water passing space.

Further, the compression shell further comprises a first mounting part and a second mounting part 50, the first mounting part is connected with one end of the outer shell 30 and one end of the dewatering pipe 10, the second mounting part 50 is connected with the other end of the outer shell 30 and the other end of the dewatering pipe 10, the first mounting part and the second mounting part 50 are respectively arranged at two ends of the dewatering pipe 10, and the outer shell 30, the liner pipe 20, the dewatering pipe, the first mounting part and the second mounting part 50 are connected into a whole to form a closed water passing space. The lower part of the shell 30 is provided with a water outlet 301, and water flowing into the water passing space in the dehydration area 01 flows out through the water outlet 301.

Referring to fig. 1, 2 and 3, further, one end of the liner 20 abuts an end of the first pipe section 110, and the other end of the liner 20 abuts the second mounting element 50. A sealing ring 60 is provided between the liner 20 and the second mounting element 50. The end part of liner pipe 20 and first section of pipe 110 supports and connects, and the wood chip gets into liner pipe 20 from first section of pipe 110, and the transfer process is more convenient, smooth and easy, and liner pipe 20 supports on second installed part 50, and establishes sealing washer 60 between the two, avoids the moisture in the dewatering zone 01 to flow out by the clearance between the two.

Referring to fig. 1 and 4, in one embodiment, both ends of the dewatering pipe 10 are provided with flanges 130, the flanges 130 are provided with mounting holes, and the flanges 130 are fastened to the first or second mounting members 50 by fasteners 70 passing through the mounting holes. The connection of the dewatering tube 10 to the first or second mounting element 50 is facilitated by providing flanges 130 at both ends of the dewatering tube 10. Optionally, the fasteners 70 are bolts.

Referring to fig. 1 and 4, in one embodiment, the compression housing further includes a plurality of limiting ribs 80, the limiting ribs 80 extend along the axial direction of the dewatering pipe 10 and are fixed on the inner wall of the dewatering pipe 10, and the limiting ribs 80 are spaced along the circumferential direction of the dewatering pipe 10. Through a plurality of spacing muscle 80 that set up along the circumference direction interval of dehydration pipe 10, difficult skidding when making the wood chip be located dehydration pipe 10, the screw axis of being convenient for extrudes the dehydration to the wood chip. In this embodiment, be provided with 4 spaced spacing muscle 80 along circumference, according to actual demand, also can set up 2, 3 or 5 etc. according to the size of dehydration pipe 10 nimble selection.

Referring to fig. 1, another embodiment of the present application provides a dewatering apparatus comprising a screw shaft disposed within the dewatering zone 01 and a compression housing as described in any of the above.

In the dehydration equipment of the embodiment, when in use, wood chips enter the dehydration pipe 10, are firstly matched with the dehydration pipe 10 through the screw shaft to extrude most of moisture in the wood chips, the dehydrated wood chips are gradually pushed to the liner pipe 20 along with the rotation of the screw shaft, the screw shaft is matched with the liner pipe 20 to further dehydrate the wood chips, so that the wood chips are dehydrated more thoroughly, the compression shell forms the dehydration zone 01 in the shell 30 through arranging the liner pipe 20 and the dehydration pipe 10 which are directly connected, compared with the traditional split type compression shell, the transition section originally used for connecting the compression section and the short pipe section is omitted, and the liner pipe 20 is provided with the second dehydration hole 201, so that the area where the liner pipe 20 is positioned also has the dehydration function, the function of the short pipe section of the traditional split type compression shell is increased, the traditional split type compression shell is integrated through the integral design, so that the short pipe section also has the same dehydration function as the compression section, the dehydration effect of the equipment is improved, so that the water content of the wooden plug dehydrated by the compression shell can be effectively reduced, and the energy consumption of the subsequent drying process is reduced.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims (10)

1. The utility model provides a compression casing, its characterized in that, includes dehydration pipe, bushing pipe and shell, bushing pipe and dehydration pipe all set up in the shell, just dehydration pipe with leave water passing space between the shell, dehydration pipe is last to have seted up a plurality of first dehydration holes, a plurality of second dehydration holes have been seted up on the bushing pipe, the bushing pipe with dehydration union coupling forms the dehydration zone.

2. The compression casing of claim 1, wherein the dewatering tube is divided into a first tube section and a second tube section in sequence along the axial direction, the second tube section has an inner diameter larger than that of the first tube section, and the liner tube is correspondingly disposed in and connected to the second tube section.

3. The compression housing of claim 2, wherein the outer wall of the liner has a protrusion and the inner wall of the second section has a corresponding recess; or the outer wall of the liner tube is provided with a groove, and the inner wall of the second tube section is correspondingly provided with a lug; the lug is embedded in the groove.

4. The compression housing of claim 2, further comprising a retainer, the liner comprising two abutting component liners, an outer wall of the component liners being provided with a first keyway disposed in an axial direction; the dehydration pipe includes two branch dehydration pipes that dock mutually, the inner wall that corresponds the second pipeline section on the branch dehydration pipe is equipped with the second keyway of arranging along axial direction, divide lining pipe and corresponding divide dehydration union coupling just first keyway with the butt joint of second keyway forms the constant head tank, the setting element is installed in the constant head tank.

5. The compression casing according to any one of claims 2 to 4, further comprising a first mounting member connected to one end of the casing and the dewatering pipe and a second mounting member connected to the other end of the casing and the dewatering pipe; the lower part of the shell is provided with a water outlet.

6. The compression housing of claim 5, wherein one end of the liner abuts an end of the first pipe section and the other end of the liner abuts the second mounting element, a sealing ring is disposed between the liner and the second mounting element, and the liner is removably connected to the second pipe section.

7. The compression casing of claim 5, wherein both ends of the dewatering pipe are provided with flanges, the flanges are provided with mounting holes, and the flanges are locked to the first mounting member or the second mounting member by fasteners passing through the mounting holes.

8. The compression shell of any one of claims 1-4, wherein the first dewatering hole has a larger pore size than the second dewatering hole.

9. The compression casing as claimed in any one of claims 1 to 4, further comprising a plurality of limiting ribs extending in an axial direction of the dehydration tube and fixed to an inner wall of the dehydration tube, the plurality of limiting ribs being provided at intervals in a circumferential direction of the dehydration tube.

10. A dewatering apparatus comprising a screw shaft and a compression shell as claimed in any one of claims 1 to 9, said screw shaft being disposed within said dewatering zone.

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